The number of spinal nerves in man is
20 pairs
31 pairs
21 pairs
35 pairs
Correct Answer :
B. 31 pairs
Related Questions
The brain is situated in a long case called the
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atrium
sinus
both (a) and (b)
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not carried by afferent and efferent branches
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In mammals the function of sympathetic nervous system is
contraction of hair muscles
contraction of pupil
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lateral ventricles with III ventride in brain
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middle ear with pharynx
Foramen of Monro is
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foramen in the skull of frog
space in brain of frog and rabbit
pore in the interauricular septum in a mammalian heart
The number of spinal nerves in man is
20 pairs
31 pairs
21 pairs
35 pairs
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saltatory conduction
speed of conduction
reflex actions
direction of propagation of impulses
The 8th cranial nerve of frog is
auditory
optic
olfactory
glossopharyngeal
The smallest cranial nerve is
optic
olfactory
auditory
abducens
Synaptic fatigue is due to
release of more adrenalin
release of more acetylcholine
exhaustion of neurotransmitter
none of these
The intensity of stimulus determines the
amplitude of action potentials in the neuron
amplitude and frequency of action potentials in a neuron
frequency of action potentials in a neuron
amplitude of resting and action potentials in a neuron
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memory and learning
speech articulation
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corpus callosum
corpus spongiosum
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grey matter of brain
grey matter of spinal cord
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abducen
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optic
abducens
ophthalmic
palatinus
Mammalian heart is innervated by a branch of
trigeminal
facial
vagus
spinal accessory